2005
DOI: 10.1590/s0100-40422005000200005
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Produtos naturais da ascídia Botrylloides giganteum, das esponjas Verongula gigantea, Ircinia felix, Cliona delitrix e do nudibrânquio Tambja eliora, da costa do Brasil

Abstract: Recebido em 9/12/03; aceito em 9/8/04; publicado na web em 14/1/05 NATURAL PRODUCTS FROM THE ASCIDIAN Botrylloides giganteum, FROM THE SPONGES Verongula gigantea, Ircinia felix, Cliona delitrix AND FROM THE NUDIBRANCH Tambja eliora, FROM THE BRAZILIAN COASTLINE. Two new marine metabolites, 3Z, 6Z, 9Z-dodecatrien-1-ol (1) from the ascidian Botrylloides giganteum and 4H-pyran-2ol acetate from the sponge Ircinia felix (4) are herein reported. The known bromotyrosine compounds, 2-(3,5-dibromo-4-methoxyphenyl)-N,N,… Show more

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Cited by 21 publications
(21 citation statements)
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References 35 publications
(49 reference statements)
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“…It is known that the genus Tambja is a group with great diversity of species already described in the literature which brings great potential to find new substances with potential biological activity. 14,25,26 Thus, the discovery of new prototypes with biological activities can bring new marine products with potential for the treatment of several diseases, as well as contributing to the planning of drug prototypes and the synthesis of new compounds that are more potent and less toxic.…”
Section: Cytotoxicity Activity Of T Stegosauriformis Extractmentioning
confidence: 99%
“…It is known that the genus Tambja is a group with great diversity of species already described in the literature which brings great potential to find new substances with potential biological activity. 14,25,26 Thus, the discovery of new prototypes with biological activities can bring new marine products with potential for the treatment of several diseases, as well as contributing to the planning of drug prototypes and the synthesis of new compounds that are more potent and less toxic.…”
Section: Cytotoxicity Activity Of T Stegosauriformis Extractmentioning
confidence: 99%
“…271 Thus the tambjamines, in addition to being an antifeedant, in Tambja species, act as a tracking pheromone at low concentrations and an alarm pheromone at higher concentrations. 271 Tambjamines, including 78-81 and new variants, have since been reisolated from T. eliora 272 and from a bryozoan. 273 A related yellow pigment was obtained from a bacterium 274 and a related blue tetrapyrrole pigment was isolated independently from Nembrotha kubaryana, 98 a compound ascidian, 275 a bryozoan 276 and from the predator-prey pairing Nembrotha spp.…”
Section: Polyceroideamentioning
confidence: 99%
“…277,280 Some tambjamines, especially 81, have been investigated for pharmaceutical uses as they have been shown to be cytotoxic against a number of tumour cell lines. 272,275 Proposed mechanisms for the cytotoxicity include intercalation into DNA as well as the promotion of single-strand DNA oxidative cleavage, although a lack of selectivity for tumour cells over healthy cells has been noted as a prominent obstacle to drug development. 281 The Triophinae subfamily consists of nine genera of which only two (Triopha and Limacia) have been chemically examined.…”
Section: Polyceroideamentioning
confidence: 99%
“…It seems that later in development the embryos turn white, as we observed in some egg masses in the field. Tambja brasiliensis contains the chemical compounds tambjamine A and D (Granato et al., ; as “ Tambja eliora ”) obtained from its prey, the bryozoan Bugula dentata (Pereira et al., ). In experiments, tambjamine D showed cytotoxicity against different lineages of human cancer cells (Granato et al., ).…”
Section: Tambja Brasiliensis Sp Nov (Figs 3c 5a–d 6)mentioning
confidence: 99%